#include<iostream>
using namespace std;

int main ()
{
    int a[3][5] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}; //初始化数组。
    int arr[3][5] = {{1,2,3,4,5}, {6,7,8,9,10}, {11,12,13,14,15}};
    cout<<a[1][2]<<endl; //访问数组。
    return 0;
}